哈尔滨模板做网站,如何建个网站,网络设计与实施,哈尔滨 网站开发分片备份命令参考#xff1a;适合大数据库并行备份提高备份速度 对于超大数据库#xff0c;混合有小文件和大文件表空间#xff0c;section size 表示分片#xff0c;大小一般大于32G#xff0c;可结合通道数量设置最佳值。 run { allocate channel t1 type disk; alloc…分片备份命令参考适合大数据库并行备份提高备份速度 对于超大数据库混合有小文件和大文件表空间section size 表示分片大小一般大于32G可结合通道数量设置最佳值。 run { allocate channel t1 type disk; allocate channel t2 type disk; allocate channel t3 type disk; allocate channel t4 type disk; backup section size 32768m as backupset incremental level0 tablespace DATA,USERS,JYC_BIG,JYC_BIG2 format /bak/jycdb0_%U tagjycdb0; release channel t1; release channel t2; release channel t3; release channel t4; } 非分片的恢复可以多个数据文件一次性恢复 set serveroutput on size 1000000 DECLARE v_dev varchar2(50); v_done boolean:FALSE; type t_fileTable is table of varchar2(255) index by binary_integer; v_fileTable t_fileTable; type t_dataTable is table of varchar2(4000) index by binary_integer; v_dataTable t_dataTable;v_maxPieces number:1; v_maxFiles number:1; v_restore_from varchar2(4); v_file_no number:0; v_file_name varchar2(513); v_debug boolean:FALSE; -- Optional Change to TRUE to Debug PL/SQL. v_msr boolean;BEGIN -- CHANGE 1. -- Populate the file table below with datafiles to be restored. -- This matches the output from logs.v_dataTable(1):fno4 name/home/db/oracle/oradata/hisdb/users01.dbf; v_dataTable(2):fno9 name/home/db/oracle/oradata/hisdb/data03.dbf; v_dataTable(3):fno7 name/home/db/oracle/oradata/hisdb/data01.dbf; v_dataTable(4):fno8 name/home/db/oracle/oradata/hisdb/data02.dbf; v_dataTable(5):fno5 name/home/db/oracle/oradata/hisdb/users02.dbf; v_dataTable(6):fno10 name/home/db/oracle/oradata/hisdb/data04.dbf; v_dataTable(7):fno6 name/home/db/oracle/oradata/hisdb/users03.dbf;-- -- CHANGE 2. -- Set the below to the max number of files to be restored from above table.v_maxFiles : 7;-- CHANGE 3. -- Set the Below To the name of the backup pieces you wish to reference. -- Use backup.log if available to locate all backup pieces for a backup. -- If backup is on Disk ensure you have directories as well, -- If tape then just use the backup piece name.v_fileTable(1):/bak/hisdb0_1b2eh346_1_1; v_fileTable(2):/bak/hisdb0_172eh345_1_1; v_fileTable(3):/bak/hisdb0_162eh345_1_1; v_fileTable(4):/bak/hisdb0_152eh345_1_1;-- CHANGE 4. -- Set the below to the total number of backup pieces in Backup to restore. --v_maxPieces:4;-- CHANGE 5. (Optional If Tape) -- Set the below to TAPE if RESTORE FROM TAPE. -- v_restore_from : DISK;-- CHANGE 6 - change this to TRUE for multi-section backup --v_msr : TRUE; v_msr : FALSE; IF (v_msr) THEN v_maxFiles : 8; END IF;dbms_output.put_line(Restoring All Data Files :); dbms_output.put_line(-----------------);For i IN 1..v_maxFiles LOOP v_file_no : substr(v_dataTable(i),5,instr(v_dataTable(i), ,1,1)-5); v_file_name :substr(v_dataTable(i),instr(v_dataTable(i),,1,2)1);dbms_output.put_line(Attempting To Restore :||v_file_name);FOR i IN 1..v_maxPieces LOOP BEGIN IF v_restore_from DISK THEN v_dev:sys.dbms_backup_restore.deviceAllocate(typenull,identD1); ELSE -- CHANGE 7. (Optional Tape Only). -- Remember to set Params correctly for tape media. -- If not required then remove parameter. -- v_dev:sys.dbms_backup_restore.deviceAllocate(typesbt_tape,identT1,paramsSBT_LIBRARYoracle. disksbt,ENV(BACKUP_DIR/u003/backup/ORA1020/)); END IF;sys.dbms_backup_restore.restoreSetDatafile; sys.dbms_backup_restore.restoreDataFileTo(dfnumberv_file_no,tonamev_file_name);IF (i 1 AND v_msr) THEN sys.dbms_backup_restore.initMSR(dfnumberv_file_no,fnamev_file_name); END IF;dbms_output.put_line(----------------); dbms_output.put_line(Trying : ||v_fileTable(i)|| From : ||v_restore_from);sys.dbms_backup_restore.restoreBackupPiece(donev_done,handlev_fileTable(i),paramsnull); EXCEPTION WHEN OTHERS THEN IF v_debug THEN dbms_output.put_line(SQLERRM); ELSE dbms_output.put_line(Data File: Not Found); END IF; sys.dbms_backup_restore.deviceDeallocate; sys.dbms_backup_restore.restoreCancel; END;IF v_done THEN dbms_output.put_line(Data File : Found); dbms_output.put_line(----------------); dbms_output.put_line(RESTORED Data File To: ||v_file_name); sys.dbms_backup_restore.deviceDeallocate; sys.dbms_backup_restore.restoreCancel; v_done:FALSE; exit WHEN NOT v_msr; END IF; END LOOP;IF (v_msr) THEN sys.dbms_backup_restore.setParms(p0 5, p1 v_file_no, p5 v_file_name); END IF; END LOOP; END; / 分片的恢复v_maxFiles只能是1,也就是说只能恢复一个数据文件的分片恢复不能同时多个数据文件同时恢复分片。 set serveroutput on size 1000000 DECLARE v_dev varchar2(50); v_done boolean:FALSE; type t_fileTable is table of varchar2(255) index by binary_integer; v_fileTable t_fileTable; type t_dataTable is table of varchar2(4000) index by binary_integer; v_dataTable t_dataTable;v_maxPieces number:1; v_maxFiles number:1; v_restore_from varchar2(4); v_file_no number:0; v_file_name varchar2(513); v_debug boolean:FALSE; -- Optional Change to TRUE to Debug PL/SQL. v_msr boolean;BEGIN -- CHANGE 1. -- Populate the file table below with datafiles to be restored. -- This matches the output from logs. v_dataTable(1):fno4 name/home/db/oracle/oradata/hisdb/users01.dbf;-- -- CHANGE 2. -- Set the below to the max number of files to be restored from above table.v_maxFiles : 1;-- CHANGE 3. -- Set the Below To the name of the backup pieces you wish to reference. -- Use backup.log if available to locate all backup pieces for a backup. -- If backup is on Disk ensure you have directories as well, -- If tape then just use the backup piece name.v_fileTable(1):/bak/hisdb0_1o2em1lf_2_1; v_fileTable(2):/bak/hisdb0_1o2em1lf_1_1;-- CHANGE 4. -- Set the below to the total number of backup pieces in Backup to restore. --v_maxPieces:2;-- CHANGE 5. (Optional If Tape) -- Set the below to TAPE if RESTORE FROM TAPE. -- v_restore_from : DISK;-- CHANGE 6 - change this to TRUE for multi-section backup v_msr : TRUE; --v_msr : FALSE; IF (v_msr) THEN v_maxFiles : 1; END IF;dbms_output.put_line(Restoring All Data Files :); dbms_output.put_line(-----------------);For i IN 1..v_maxFiles LOOP v_file_no : substr(v_dataTable(i),5,instr(v_dataTable(i), ,1,1)-5); v_file_name :substr(v_dataTable(i),instr(v_dataTable(i),,1,2)1);dbms_output.put_line(Attempting To Restore :||v_file_name|||||v_file_no);FOR i IN 1..v_maxPieces LOOP BEGIN IF v_restore_from DISK THEN v_dev:sys.dbms_backup_restore.deviceAllocate(typenull,identD1); ELSE -- CHANGE 7. (Optional Tape Only). -- Remember to set Params correctly for tape media. -- If not required then remove parameter. -- v_dev:sys.dbms_backup_restore.deviceAllocate(typesbt_tape,identT1,paramsSBT_LIBRARYoracle. disksbt,ENV(BACKUP_DIR/u003/backup/ORA1020/)); END IF;sys.dbms_backup_restore.restoreSetDatafile; sys.dbms_backup_restore.restoreDataFileTo(dfnumberv_file_no,tonamev_file_name);IF (i 1 AND v_msr) THEN sys.dbms_backup_restore.initMSR(dfnumberv_file_no,fnamev_file_name); dbms_output.put_line(sys.dbms_backup_restore.initMSR(dfnumber||v_file_no||,fname||v_file_name); END IF;dbms_output.put_line(----------------); dbms_output.put_line(Trying : ||v_fileTable(i)|| From : ||v_restore_from);sys.dbms_backup_restore.restoreBackupPiece(donev_done,handlev_fileTable(i),paramsnull); dbms_output.put_line(sys.dbms_backup_restore.restoreBackupPiece(donev_done,handle||v_fileTable(i) ||,paramsnull); EXCEPTION WHEN OTHERS THEN IF v_debug THEN dbms_output.put_line(SQLERRM); ELSE dbms_output.put_line(Data File: Not Found); END IF; sys.dbms_backup_restore.deviceDeallocate; sys.dbms_backup_restore.restoreCancel; END;IF v_done THEN dbms_output.put_line(Data File : Found); dbms_output.put_line(----------------); dbms_output.put_line(RESTORED Data File To: ||v_file_name); sys.dbms_backup_restore.deviceDeallocate; sys.dbms_backup_restore.restoreCancel; v_done:FALSE; exit WHEN NOT v_msr; END IF; END LOOP;IF (v_msr) THEN sys.dbms_backup_restore.setParms(p0 5, p1 v_file_no, p5 v_file_name); END IF; END LOOP; END; /